Home / 57,524.79-86,312.32-20,111.73

Finding the Fourth Proportional to 57,524.79, 86,312.32 and 20,111.73

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Solution

The fourth proportional to 57,524.79, 86,312.32 and 20,111.73 is: 30,176.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,524.79 : 86,312.32 = 20,111.73 : x
  2. Step 2: Convert to fraction form
    57,524.79/86,312.32 = 20,111.73/x
  3. Step 3: Cross multiply
    57,524.79x = 86,312.32 × 20,111.73
  4. Step 4: Simplify right side
    57,524.79x = 1,735,890,075.51
  5. Step 5: Solve for x
    x = 1,735,890,075.51/57,524.79
  6. Step 6: Final answer
    x = 30,176.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.